root/drivers/net/wireless/ath/ath11k/dp_tx.c
// SPDX-License-Identifier: BSD-3-Clause-Clear
/*
 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
 * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
 * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
 */

#include "core.h"
#include "dp_tx.h"
#include "debug.h"
#include "debugfs_sta.h"
#include "hw.h"
#include "peer.h"
#include "mac.h"

static enum hal_tcl_encap_type
ath11k_dp_tx_get_encap_type(struct ath11k_vif *arvif, struct sk_buff *skb)
{
        struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
        struct ath11k_base *ab = arvif->ar->ab;

        if (test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags))
                return HAL_TCL_ENCAP_TYPE_RAW;

        if (tx_info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
                return HAL_TCL_ENCAP_TYPE_ETHERNET;

        return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
}

static void ath11k_dp_tx_encap_nwifi(struct sk_buff *skb)
{
        struct ieee80211_hdr *hdr = (void *)skb->data;
        u8 *qos_ctl;

        if (!ieee80211_is_data_qos(hdr->frame_control))
                return;

        qos_ctl = ieee80211_get_qos_ctl(hdr);
        memmove(skb->data + IEEE80211_QOS_CTL_LEN,
                skb->data, (void *)qos_ctl - (void *)skb->data);
        skb_pull(skb, IEEE80211_QOS_CTL_LEN);

        hdr = (void *)skb->data;
        hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
}

static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
{
        struct ieee80211_hdr *hdr = (void *)skb->data;
        struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);

        if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
                return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
        else if (!ieee80211_is_data_qos(hdr->frame_control))
                return HAL_DESC_REO_NON_QOS_TID;
        else
                return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
}

enum hal_encrypt_type ath11k_dp_tx_get_encrypt_type(u32 cipher)
{
        switch (cipher) {
        case WLAN_CIPHER_SUITE_WEP40:
                return HAL_ENCRYPT_TYPE_WEP_40;
        case WLAN_CIPHER_SUITE_WEP104:
                return HAL_ENCRYPT_TYPE_WEP_104;
        case WLAN_CIPHER_SUITE_TKIP:
                return HAL_ENCRYPT_TYPE_TKIP_MIC;
        case WLAN_CIPHER_SUITE_CCMP:
                return HAL_ENCRYPT_TYPE_CCMP_128;
        case WLAN_CIPHER_SUITE_CCMP_256:
                return HAL_ENCRYPT_TYPE_CCMP_256;
        case WLAN_CIPHER_SUITE_GCMP:
                return HAL_ENCRYPT_TYPE_GCMP_128;
        case WLAN_CIPHER_SUITE_GCMP_256:
                return HAL_ENCRYPT_TYPE_AES_GCMP_256;
        default:
                return HAL_ENCRYPT_TYPE_OPEN;
        }
}

int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
                 struct ath11k_sta *arsta, struct sk_buff *skb)
{
        struct ath11k_base *ab = ar->ab;
        struct ath11k_dp *dp = &ab->dp;
        struct hal_tx_info ti = {};
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
        struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
        struct hal_srng *tcl_ring;
        struct ieee80211_hdr *hdr = (void *)skb->data;
        struct dp_tx_ring *tx_ring;
        size_t num_tx_rings = ab->hw_params.hal_params->num_tx_rings;
        void *hal_tcl_desc;
        u8 pool_id;
        u8 hal_ring_id;
        int ret;
        u32 ring_selector = 0;
        u8 ring_map = 0;
        bool tcl_ring_retry;

        if (unlikely(test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags)))
                return -ESHUTDOWN;

        if (unlikely(!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
                     !ieee80211_is_data(hdr->frame_control)))
                return -EOPNOTSUPP;

        pool_id = skb_get_queue_mapping(skb) & (ATH11K_HW_MAX_QUEUES - 1);

        ring_selector = ab->hw_params.hw_ops->get_ring_selector(skb);

tcl_ring_sel:
        tcl_ring_retry = false;

        ti.ring_id = ring_selector % num_tx_rings;
        ti.rbm_id = ab->hw_params.hal_params->tcl2wbm_rbm_map[ti.ring_id].rbm_id;

        ring_map |= BIT(ti.ring_id);

        tx_ring = &dp->tx_ring[ti.ring_id];

        spin_lock_bh(&tx_ring->tx_idr_lock);
        ret = idr_alloc(&tx_ring->txbuf_idr, skb, 0,
                        DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
        spin_unlock_bh(&tx_ring->tx_idr_lock);

        if (unlikely(ret < 0)) {
                if (ring_map == (BIT(num_tx_rings) - 1) ||
                    !ab->hw_params.tcl_ring_retry) {
                        atomic_inc(&ab->soc_stats.tx_err.misc_fail);
                        return -ENOSPC;
                }

                /* Check if the next ring is available */
                ring_selector++;
                goto tcl_ring_sel;
        }

        ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
                     FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
                     FIELD_PREP(DP_TX_DESC_ID_POOL_ID, pool_id);
        ti.encap_type = ath11k_dp_tx_get_encap_type(arvif, skb);

        if (ieee80211_has_a4(hdr->frame_control) &&
            is_multicast_ether_addr(hdr->addr3) && arsta &&
            arsta->use_4addr_set) {
                ti.meta_data_flags = arsta->tcl_metadata;
                ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TO_FW, 1);
        } else {
                ti.meta_data_flags = arvif->tcl_metadata;
        }

        if (unlikely(ti.encap_type == HAL_TCL_ENCAP_TYPE_RAW)) {
                if (skb_cb->flags & ATH11K_SKB_CIPHER_SET) {
                        ti.encrypt_type =
                                ath11k_dp_tx_get_encrypt_type(skb_cb->cipher);

                        if (ieee80211_has_protected(hdr->frame_control))
                                skb_put(skb, IEEE80211_CCMP_MIC_LEN);
                } else {
                        ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
                }
        }

        ti.addr_search_flags = arvif->hal_addr_search_flags;
        ti.search_type = arvif->search_type;
        ti.type = HAL_TCL_DESC_TYPE_BUFFER;
        ti.pkt_offset = 0;
        ti.lmac_id = ar->lmac_id;
        ti.bss_ast_hash = arvif->ast_hash;
        ti.bss_ast_idx = arvif->ast_idx;
        ti.dscp_tid_tbl_idx = 0;

        if (likely(skb->ip_summed == CHECKSUM_PARTIAL &&
                   ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW)) {
                ti.flags0 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_IP4_CKSUM_EN, 1) |
                             FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP4_CKSUM_EN, 1) |
                             FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_UDP6_CKSUM_EN, 1) |
                             FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP4_CKSUM_EN, 1) |
                             FIELD_PREP(HAL_TCL_DATA_CMD_INFO1_TCP6_CKSUM_EN, 1);
        }

        if (ieee80211_vif_is_mesh(arvif->vif))
                ti.enable_mesh = true;

        ti.flags1 |= FIELD_PREP(HAL_TCL_DATA_CMD_INFO2_TID_OVERWRITE, 1);

        ti.tid = ath11k_dp_tx_get_tid(skb);

        switch (ti.encap_type) {
        case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
                ath11k_dp_tx_encap_nwifi(skb);
                break;
        case HAL_TCL_ENCAP_TYPE_RAW:
                if (!test_bit(ATH11K_FLAG_RAW_MODE, &ab->dev_flags)) {
                        ret = -EINVAL;
                        goto fail_remove_idr;
                }
                break;
        case HAL_TCL_ENCAP_TYPE_ETHERNET:
                /* no need to encap */
                break;
        case HAL_TCL_ENCAP_TYPE_802_3:
        default:
                /* TODO: Take care of other encap modes as well */
                ret = -EINVAL;
                atomic_inc(&ab->soc_stats.tx_err.misc_fail);
                goto fail_remove_idr;
        }

        ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
        if (unlikely(dma_mapping_error(ab->dev, ti.paddr))) {
                atomic_inc(&ab->soc_stats.tx_err.misc_fail);
                ath11k_warn(ab, "failed to DMA map data Tx buffer\n");
                ret = -ENOMEM;
                goto fail_remove_idr;
        }

        ti.data_len = skb->len;
        skb_cb->paddr = ti.paddr;
        skb_cb->vif = arvif->vif;
        skb_cb->ar = ar;

        hal_ring_id = tx_ring->tcl_data_ring.ring_id;
        tcl_ring = &ab->hal.srng_list[hal_ring_id];

        spin_lock_bh(&tcl_ring->lock);

        ath11k_hal_srng_access_begin(ab, tcl_ring);

        hal_tcl_desc = (void *)ath11k_hal_srng_src_get_next_entry(ab, tcl_ring);
        if (unlikely(!hal_tcl_desc)) {
                /* NOTE: It is highly unlikely we'll be running out of tcl_ring
                 * desc because the desc is directly enqueued onto hw queue.
                 */
                ath11k_hal_srng_access_end(ab, tcl_ring);
                ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
                spin_unlock_bh(&tcl_ring->lock);
                ret = -ENOMEM;

                /* Checking for available tcl descriptors in another ring in
                 * case of failure due to full tcl ring now, is better than
                 * checking this ring earlier for each pkt tx.
                 * Restart ring selection if some rings are not checked yet.
                 */
                if (unlikely(ring_map != (BIT(num_tx_rings)) - 1) &&
                    ab->hw_params.tcl_ring_retry && num_tx_rings > 1) {
                        tcl_ring_retry = true;
                        ring_selector++;
                }

                goto fail_unmap_dma;
        }

        ath11k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc +
                                         sizeof(struct hal_tlv_hdr), &ti);

        ath11k_hal_srng_access_end(ab, tcl_ring);

        ath11k_dp_shadow_start_timer(ab, tcl_ring, &dp->tx_ring_timer[ti.ring_id]);

        spin_unlock_bh(&tcl_ring->lock);

        ath11k_dbg_dump(ab, ATH11K_DBG_DP_TX, NULL, "dp tx msdu: ",
                        skb->data, skb->len);

        atomic_inc(&ar->dp.num_tx_pending);

        return 0;

fail_unmap_dma:
        dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);

fail_remove_idr:
        spin_lock_bh(&tx_ring->tx_idr_lock);
        idr_remove(&tx_ring->txbuf_idr,
                   FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
        spin_unlock_bh(&tx_ring->tx_idr_lock);

        if (tcl_ring_retry)
                goto tcl_ring_sel;

        return ret;
}

static void ath11k_dp_tx_free_txbuf(struct ath11k_base *ab, u8 mac_id,
                                    int msdu_id,
                                    struct dp_tx_ring *tx_ring)
{
        struct ath11k *ar;
        struct sk_buff *msdu;
        struct ath11k_skb_cb *skb_cb;

        spin_lock(&tx_ring->tx_idr_lock);
        msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
        spin_unlock(&tx_ring->tx_idr_lock);

        if (unlikely(!msdu)) {
                ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
                            msdu_id);
                return;
        }

        skb_cb = ATH11K_SKB_CB(msdu);

        dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
        dev_kfree_skb_any(msdu);

        ar = ab->pdevs[mac_id].ar;
        if (atomic_dec_and_test(&ar->dp.num_tx_pending))
                wake_up(&ar->dp.tx_empty_waitq);
}

static void
ath11k_dp_tx_htt_tx_complete_buf(struct ath11k_base *ab,
                                 struct dp_tx_ring *tx_ring,
                                 struct ath11k_dp_htt_wbm_tx_status *ts)
{
        struct ieee80211_tx_status status = {};
        struct sk_buff *msdu;
        struct ieee80211_tx_info *info;
        struct ath11k_skb_cb *skb_cb;
        struct ath11k *ar;
        struct ath11k_peer *peer;

        spin_lock(&tx_ring->tx_idr_lock);
        msdu = idr_remove(&tx_ring->txbuf_idr, ts->msdu_id);
        spin_unlock(&tx_ring->tx_idr_lock);

        if (unlikely(!msdu)) {
                ath11k_warn(ab, "htt tx completion for unknown msdu_id %d\n",
                            ts->msdu_id);
                return;
        }

        skb_cb = ATH11K_SKB_CB(msdu);
        info = IEEE80211_SKB_CB(msdu);

        ar = skb_cb->ar;

        if (atomic_dec_and_test(&ar->dp.num_tx_pending))
                wake_up(&ar->dp.tx_empty_waitq);

        dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);

        if (!skb_cb->vif) {
                ieee80211_free_txskb(ar->hw, msdu);
                return;
        }

        memset(&info->status, 0, sizeof(info->status));

        if (ts->acked) {
                if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
                        info->flags |= IEEE80211_TX_STAT_ACK;
                        info->status.ack_signal = ts->ack_rssi;

                        if (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
                                      ab->wmi_ab.svc_map))
                                info->status.ack_signal += ATH11K_DEFAULT_NOISE_FLOOR;

                        info->status.flags |=
                                IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
                } else {
                        info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
                }
        }

        spin_lock_bh(&ab->base_lock);
        peer = ath11k_peer_find_by_id(ab, ts->peer_id);
        if (!peer || !peer->sta) {
                ath11k_dbg(ab, ATH11K_DBG_DATA,
                           "dp_tx: failed to find the peer with peer_id %d\n",
                            ts->peer_id);
                spin_unlock_bh(&ab->base_lock);
                ieee80211_free_txskb(ar->hw, msdu);
                return;
        }
        spin_unlock_bh(&ab->base_lock);

        status.sta = peer->sta;
        status.info = info;
        status.skb = msdu;

        ieee80211_tx_status_ext(ar->hw, &status);
}

static void
ath11k_dp_tx_process_htt_tx_complete(struct ath11k_base *ab,
                                     void *desc, u8 mac_id,
                                     u32 msdu_id, struct dp_tx_ring *tx_ring)
{
        struct htt_tx_wbm_completion *status_desc;
        struct ath11k_dp_htt_wbm_tx_status ts = {};
        enum hal_wbm_htt_tx_comp_status wbm_status;

        status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET;

        wbm_status = FIELD_GET(HTT_TX_WBM_COMP_INFO0_STATUS,
                               status_desc->info0);
        switch (wbm_status) {
        case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
        case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
        case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
                ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
                ts.msdu_id = msdu_id;
                ts.ack_rssi = FIELD_GET(HTT_TX_WBM_COMP_INFO1_ACK_RSSI,
                                        status_desc->info1);

                if (FIELD_GET(HTT_TX_WBM_COMP_INFO2_VALID, status_desc->info2))
                        ts.peer_id = FIELD_GET(HTT_TX_WBM_COMP_INFO2_SW_PEER_ID,
                                               status_desc->info2);
                else
                        ts.peer_id = HTT_INVALID_PEER_ID;

                ath11k_dp_tx_htt_tx_complete_buf(ab, tx_ring, &ts);

                break;
        case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
        case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
                ath11k_dp_tx_free_txbuf(ab, mac_id, msdu_id, tx_ring);
                break;
        case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
                /* This event is to be handled only when the driver decides to
                 * use WDS offload functionality.
                 */
                break;
        default:
                ath11k_warn(ab, "Unknown htt tx status %d\n", wbm_status);
                break;
        }
}

static void ath11k_dp_tx_cache_peer_stats(struct ath11k *ar,
                                          struct sk_buff *msdu,
                                          struct hal_tx_status *ts)
{
        struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;

        if (ts->try_cnt > 1) {
                peer_stats->retry_pkts += ts->try_cnt - 1;
                peer_stats->retry_bytes += (ts->try_cnt - 1) * msdu->len;

                if (ts->status != HAL_WBM_TQM_REL_REASON_FRAME_ACKED) {
                        peer_stats->failed_pkts += 1;
                        peer_stats->failed_bytes += msdu->len;
                }
        }
}

void ath11k_dp_tx_update_txcompl(struct ath11k *ar, struct hal_tx_status *ts)
{
        struct ath11k_base *ab = ar->ab;
        struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats;
        enum hal_tx_rate_stats_pkt_type pkt_type;
        enum hal_tx_rate_stats_sgi sgi;
        enum hal_tx_rate_stats_bw bw;
        struct ath11k_peer *peer;
        struct ath11k_sta *arsta;
        struct ieee80211_sta *sta;
        u16 rate, ru_tones;
        u8 mcs, rate_idx = 0, ofdma;
        int ret;

        spin_lock_bh(&ab->base_lock);
        peer = ath11k_peer_find_by_id(ab, ts->peer_id);
        if (!peer || !peer->sta) {
                ath11k_dbg(ab, ATH11K_DBG_DP_TX,
                           "failed to find the peer by id %u\n", ts->peer_id);
                goto err_out;
        }

        sta = peer->sta;
        arsta = ath11k_sta_to_arsta(sta);

        memset(&arsta->txrate, 0, sizeof(arsta->txrate));
        pkt_type = FIELD_GET(HAL_TX_RATE_STATS_INFO0_PKT_TYPE,
                             ts->rate_stats);
        mcs = FIELD_GET(HAL_TX_RATE_STATS_INFO0_MCS,
                        ts->rate_stats);
        sgi = FIELD_GET(HAL_TX_RATE_STATS_INFO0_SGI,
                        ts->rate_stats);
        bw = FIELD_GET(HAL_TX_RATE_STATS_INFO0_BW, ts->rate_stats);
        ru_tones = FIELD_GET(HAL_TX_RATE_STATS_INFO0_TONES_IN_RU, ts->rate_stats);
        ofdma = FIELD_GET(HAL_TX_RATE_STATS_INFO0_OFDMA_TX, ts->rate_stats);

        /* This is to prefer choose the real NSS value arsta->last_txrate.nss,
         * if it is invalid, then choose the NSS value while assoc.
         */
        if (arsta->last_txrate.nss)
                arsta->txrate.nss = arsta->last_txrate.nss;
        else
                arsta->txrate.nss = arsta->peer_nss;

        if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A ||
            pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) {
                ret = ath11k_mac_hw_ratecode_to_legacy_rate(mcs,
                                                            pkt_type,
                                                            &rate_idx,
                                                            &rate);
                if (ret < 0)
                        goto err_out;
                arsta->txrate.legacy = rate;
        } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) {
                if (mcs > 7) {
                        ath11k_warn(ab, "Invalid HT mcs index %d\n", mcs);
                        goto err_out;
                }

                if (arsta->txrate.nss != 0)
                        arsta->txrate.mcs = mcs + 8 * (arsta->txrate.nss - 1);
                arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
                if (sgi)
                        arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
        } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) {
                if (mcs > 9) {
                        ath11k_warn(ab, "Invalid VHT mcs index %d\n", mcs);
                        goto err_out;
                }

                arsta->txrate.mcs = mcs;
                arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
                if (sgi)
                        arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
        } else if (pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
                if (mcs > 11) {
                        ath11k_warn(ab, "Invalid HE mcs index %d\n", mcs);
                        goto err_out;
                }

                arsta->txrate.mcs = mcs;
                arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
                arsta->txrate.he_gi = ath11k_mac_he_gi_to_nl80211_he_gi(sgi);
        }

        arsta->txrate.bw = ath11k_mac_bw_to_mac80211_bw(bw);
        if (ofdma && pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AX) {
                arsta->txrate.bw = RATE_INFO_BW_HE_RU;
                arsta->txrate.he_ru_alloc =
                        ath11k_mac_he_ru_tones_to_nl80211_he_ru_alloc(ru_tones);
        }

        if (ath11k_debugfs_is_extd_tx_stats_enabled(ar))
                ath11k_debugfs_sta_add_tx_stats(arsta, peer_stats, rate_idx);

err_out:
        spin_unlock_bh(&ab->base_lock);
}

static void ath11k_dp_tx_complete_msdu(struct ath11k *ar,
                                       struct sk_buff *msdu,
                                       struct hal_tx_status *ts)
{
        struct ieee80211_tx_status status = {};
        struct ieee80211_rate_status status_rate = {};
        struct ath11k_base *ab = ar->ab;
        struct ieee80211_tx_info *info;
        struct ath11k_skb_cb *skb_cb;
        struct ath11k_peer *peer;
        struct ath11k_sta *arsta;
        struct rate_info rate;

        if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
                /* Must not happen */
                return;
        }

        skb_cb = ATH11K_SKB_CB(msdu);

        dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);

        if (unlikely(!rcu_access_pointer(ab->pdevs_active[ar->pdev_idx]))) {
                ieee80211_free_txskb(ar->hw, msdu);
                return;
        }

        if (unlikely(!skb_cb->vif)) {
                ieee80211_free_txskb(ar->hw, msdu);
                return;
        }

        info = IEEE80211_SKB_CB(msdu);
        memset(&info->status, 0, sizeof(info->status));

        /* skip tx rate update from ieee80211_status*/
        info->status.rates[0].idx = -1;

        if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
            !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
                info->flags |= IEEE80211_TX_STAT_ACK;
                info->status.ack_signal = ts->ack_rssi;

                if (!test_bit(WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT,
                              ab->wmi_ab.svc_map))
                        info->status.ack_signal += ATH11K_DEFAULT_NOISE_FLOOR;

                info->status.flags |= IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
        }

        if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
            (info->flags & IEEE80211_TX_CTL_NO_ACK))
                info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;

        if (unlikely(ath11k_debugfs_is_extd_tx_stats_enabled(ar)) ||
            ab->hw_params.single_pdev_only) {
                if (ts->flags & HAL_TX_STATUS_FLAGS_FIRST_MSDU) {
                        if (ar->last_ppdu_id == 0) {
                                ar->last_ppdu_id = ts->ppdu_id;
                        } else if (ar->last_ppdu_id == ts->ppdu_id ||
                                   ar->cached_ppdu_id == ar->last_ppdu_id) {
                                ar->cached_ppdu_id = ar->last_ppdu_id;
                                ar->cached_stats.is_ampdu = true;
                                ath11k_dp_tx_update_txcompl(ar, ts);
                                memset(&ar->cached_stats, 0,
                                       sizeof(struct ath11k_per_peer_tx_stats));
                        } else {
                                ar->cached_stats.is_ampdu = false;
                                ath11k_dp_tx_update_txcompl(ar, ts);
                                memset(&ar->cached_stats, 0,
                                       sizeof(struct ath11k_per_peer_tx_stats));
                        }
                        ar->last_ppdu_id = ts->ppdu_id;
                }

                ath11k_dp_tx_cache_peer_stats(ar, msdu, ts);
        }

        spin_lock_bh(&ab->base_lock);
        peer = ath11k_peer_find_by_id(ab, ts->peer_id);
        if (!peer || !peer->sta) {
                ath11k_dbg(ab, ATH11K_DBG_DATA,
                           "dp_tx: failed to find the peer with peer_id %d\n",
                            ts->peer_id);
                spin_unlock_bh(&ab->base_lock);
                ieee80211_free_txskb(ar->hw, msdu);
                return;
        }
        arsta = ath11k_sta_to_arsta(peer->sta);
        status.sta = peer->sta;
        status.skb = msdu;
        status.info = info;
        rate = arsta->last_txrate;

        status_rate.rate_idx = rate;
        status_rate.try_count = 1;

        status.rates = &status_rate;
        status.n_rates = 1;

        spin_unlock_bh(&ab->base_lock);

        ieee80211_tx_status_ext(ar->hw, &status);
}

static inline void ath11k_dp_tx_status_parse(struct ath11k_base *ab,
                                             struct hal_wbm_release_ring *desc,
                                             struct hal_tx_status *ts)
{
        ts->buf_rel_source =
                FIELD_GET(HAL_WBM_RELEASE_INFO0_REL_SRC_MODULE, desc->info0);
        if (unlikely(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
                     ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM))
                return;

        if (unlikely(ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW))
                return;

        ts->status = FIELD_GET(HAL_WBM_RELEASE_INFO0_TQM_RELEASE_REASON,
                               desc->info0);
        ts->ppdu_id = FIELD_GET(HAL_WBM_RELEASE_INFO1_TQM_STATUS_NUMBER,
                                desc->info1);
        ts->try_cnt = FIELD_GET(HAL_WBM_RELEASE_INFO1_TRANSMIT_COUNT,
                                desc->info1);
        ts->ack_rssi = FIELD_GET(HAL_WBM_RELEASE_INFO2_ACK_FRAME_RSSI,
                                 desc->info2);
        if (desc->info2 & HAL_WBM_RELEASE_INFO2_FIRST_MSDU)
                ts->flags |= HAL_TX_STATUS_FLAGS_FIRST_MSDU;
        ts->peer_id = FIELD_GET(HAL_WBM_RELEASE_INFO3_PEER_ID, desc->info3);
        ts->tid = FIELD_GET(HAL_WBM_RELEASE_INFO3_TID, desc->info3);
        if (desc->rate_stats.info0 & HAL_TX_RATE_STATS_INFO0_VALID)
                ts->rate_stats = desc->rate_stats.info0;
        else
                ts->rate_stats = 0;
}

void ath11k_dp_tx_completion_handler(struct ath11k_base *ab, int ring_id)
{
        struct ath11k *ar;
        struct ath11k_dp *dp = &ab->dp;
        int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
        struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
        struct sk_buff *msdu;
        struct hal_tx_status ts = {};
        struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
        u32 *desc;
        u32 msdu_id;
        u8 mac_id;

        spin_lock_bh(&status_ring->lock);

        ath11k_hal_srng_access_begin(ab, status_ring);

        while ((ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) !=
                tx_ring->tx_status_tail) &&
               (desc = ath11k_hal_srng_dst_get_next_entry(ab, status_ring))) {
                memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
                       desc, sizeof(struct hal_wbm_release_ring));
                tx_ring->tx_status_head =
                        ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head);
        }

        if (unlikely((ath11k_hal_srng_dst_peek(ab, status_ring) != NULL) &&
                     (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_head) ==
                      tx_ring->tx_status_tail))) {
                /* TODO: Process pending tx_status messages when kfifo_is_full() */
                ath11k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
        }

        ath11k_hal_srng_access_end(ab, status_ring);

        spin_unlock_bh(&status_ring->lock);

        while (ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
                struct hal_wbm_release_ring *tx_status;
                u32 desc_id;

                tx_ring->tx_status_tail =
                        ATH11K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
                tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
                ath11k_dp_tx_status_parse(ab, tx_status, &ts);

                desc_id = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
                                    tx_status->buf_addr_info.info1);
                mac_id = FIELD_GET(DP_TX_DESC_ID_MAC_ID, desc_id);
                msdu_id = FIELD_GET(DP_TX_DESC_ID_MSDU_ID, desc_id);

                if (unlikely(ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)) {
                        ath11k_dp_tx_process_htt_tx_complete(ab,
                                                             (void *)tx_status,
                                                             mac_id, msdu_id,
                                                             tx_ring);
                        continue;
                }

                spin_lock(&tx_ring->tx_idr_lock);
                msdu = idr_remove(&tx_ring->txbuf_idr, msdu_id);
                if (unlikely(!msdu)) {
                        ath11k_warn(ab, "tx completion for unknown msdu_id %d\n",
                                    msdu_id);
                        spin_unlock(&tx_ring->tx_idr_lock);
                        continue;
                }

                spin_unlock(&tx_ring->tx_idr_lock);

                ar = ab->pdevs[mac_id].ar;

                if (atomic_dec_and_test(&ar->dp.num_tx_pending))
                        wake_up(&ar->dp.tx_empty_waitq);

                ath11k_dp_tx_complete_msdu(ar, msdu, &ts);
        }
}

int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
                              enum hal_reo_cmd_type type,
                              struct ath11k_hal_reo_cmd *cmd,
                              void (*cb)(struct ath11k_dp *, void *,
                                         enum hal_reo_cmd_status))
{
        struct ath11k_dp *dp = &ab->dp;
        struct dp_reo_cmd *dp_cmd;
        struct hal_srng *cmd_ring;
        int cmd_num;

        if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
                return -ESHUTDOWN;

        cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
        cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);

        /* cmd_num should start from 1, during failure return the error code */
        if (cmd_num < 0)
                return cmd_num;

        /* reo cmd ring descriptors has cmd_num starting from 1 */
        if (cmd_num == 0)
                return -EINVAL;

        if (!cb)
                return 0;

        /* Can this be optimized so that we keep the pending command list only
         * for tid delete command to free up the resource on the command status
         * indication?
         */
        dp_cmd = kzalloc_obj(*dp_cmd, GFP_ATOMIC);

        if (!dp_cmd)
                return -ENOMEM;

        memcpy(&dp_cmd->data, rx_tid, sizeof(struct dp_rx_tid));
        dp_cmd->cmd_num = cmd_num;
        dp_cmd->handler = cb;

        spin_lock_bh(&dp->reo_cmd_lock);
        list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
        spin_unlock_bh(&dp->reo_cmd_lock);

        return 0;
}

static int
ath11k_dp_tx_get_ring_id_type(struct ath11k_base *ab,
                              int mac_id, u32 ring_id,
                              enum hal_ring_type ring_type,
                              enum htt_srng_ring_type *htt_ring_type,
                              enum htt_srng_ring_id *htt_ring_id)
{
        int lmac_ring_id_offset = 0;
        int ret = 0;

        switch (ring_type) {
        case HAL_RXDMA_BUF:
                lmac_ring_id_offset = mac_id * HAL_SRNG_RINGS_PER_LMAC;

                /* for QCA6390, host fills rx buffer to fw and fw fills to
                 * rxbuf ring for each rxdma
                 */
                if (!ab->hw_params.rx_mac_buf_ring) {
                        if (!(ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF +
                                          lmac_ring_id_offset) ||
                                ring_id == (HAL_SRNG_RING_ID_WMAC1_SW2RXDMA1_BUF +
                                        lmac_ring_id_offset))) {
                                ret = -EINVAL;
                        }
                        *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
                        *htt_ring_type = HTT_SW_TO_HW_RING;
                } else {
                        if (ring_id == HAL_SRNG_RING_ID_WMAC1_SW2RXDMA0_BUF) {
                                *htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
                                *htt_ring_type = HTT_SW_TO_SW_RING;
                        } else {
                                *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
                                *htt_ring_type = HTT_SW_TO_HW_RING;
                        }
                }
                break;
        case HAL_RXDMA_DST:
                *htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
                *htt_ring_type = HTT_HW_TO_SW_RING;
                break;
        case HAL_RXDMA_MONITOR_BUF:
                *htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
                *htt_ring_type = HTT_SW_TO_HW_RING;
                break;
        case HAL_RXDMA_MONITOR_STATUS:
                *htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
                *htt_ring_type = HTT_SW_TO_HW_RING;
                break;
        case HAL_RXDMA_MONITOR_DST:
                *htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
                *htt_ring_type = HTT_HW_TO_SW_RING;
                break;
        case HAL_RXDMA_MONITOR_DESC:
                *htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
                *htt_ring_type = HTT_SW_TO_HW_RING;
                break;
        default:
                ath11k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
                ret = -EINVAL;
        }
        return ret;
}

int ath11k_dp_tx_htt_srng_setup(struct ath11k_base *ab, u32 ring_id,
                                int mac_id, enum hal_ring_type ring_type)
{
        struct htt_srng_setup_cmd *cmd;
        struct hal_srng *srng = &ab->hal.srng_list[ring_id];
        struct hal_srng_params params;
        struct sk_buff *skb;
        u32 ring_entry_sz;
        int len = sizeof(*cmd);
        dma_addr_t hp_addr, tp_addr;
        enum htt_srng_ring_type htt_ring_type;
        enum htt_srng_ring_id htt_ring_id;
        int ret;

        skb = ath11k_htc_alloc_skb(ab, len);
        if (!skb)
                return -ENOMEM;

        memset(&params, 0, sizeof(params));
        ath11k_hal_srng_get_params(ab, srng, &params);

        hp_addr = ath11k_hal_srng_get_hp_addr(ab, srng);
        tp_addr = ath11k_hal_srng_get_tp_addr(ab, srng);

        ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
                                            ring_type, &htt_ring_type,
                                            &htt_ring_id);
        if (ret)
                goto err_free;

        skb_put(skb, len);
        cmd = (struct htt_srng_setup_cmd *)skb->data;
        cmd->info0 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE,
                                HTT_H2T_MSG_TYPE_SRING_SETUP);
        if (htt_ring_type == HTT_SW_TO_HW_RING ||
            htt_ring_type == HTT_HW_TO_SW_RING)
                cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
                                         DP_SW2HW_MACID(mac_id));
        else
                cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID,
                                         mac_id);
        cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE,
                                 htt_ring_type);
        cmd->info0 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO0_RING_ID, htt_ring_id);

        cmd->ring_base_addr_lo = params.ring_base_paddr &
                                 HAL_ADDR_LSB_REG_MASK;

        cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
                                 HAL_ADDR_MSB_REG_SHIFT;

        ret = ath11k_hal_srng_get_entrysize(ab, ring_type);
        if (ret < 0)
                goto err_free;

        ring_entry_sz = ret;

        ring_entry_sz >>= 2;
        cmd->info1 = FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE,
                                ring_entry_sz);
        cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE,
                                 params.num_entries * ring_entry_sz);
        cmd->info1 |= FIELD_PREP(HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP,
                                 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
        cmd->info1 |= FIELD_PREP(
                        HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP,
                        !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));
        cmd->info1 |= FIELD_PREP(
                        HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP,
                        !!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP));
        if (htt_ring_type == HTT_SW_TO_HW_RING)
                cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;

        cmd->ring_head_off32_remote_addr_lo = hp_addr & HAL_ADDR_LSB_REG_MASK;
        cmd->ring_head_off32_remote_addr_hi = (u64)hp_addr >>
                                              HAL_ADDR_MSB_REG_SHIFT;

        cmd->ring_tail_off32_remote_addr_lo = tp_addr & HAL_ADDR_LSB_REG_MASK;
        cmd->ring_tail_off32_remote_addr_hi = (u64)tp_addr >>
                                              HAL_ADDR_MSB_REG_SHIFT;

        cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr);
        cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr);
        cmd->msi_data = params.msi_data;

        cmd->intr_info = FIELD_PREP(
                        HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH,
                        params.intr_batch_cntr_thres_entries * ring_entry_sz);
        cmd->intr_info |= FIELD_PREP(
                        HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH,
                        params.intr_timer_thres_us >> 3);

        cmd->info2 = 0;
        if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
                cmd->info2 = FIELD_PREP(
                                HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH,
                                params.low_threshold);
        }

        ath11k_dbg(ab, ATH11K_DBG_DP_TX,
                   "htt srng setup msi_addr_lo 0x%x msi_addr_hi 0x%x msi_data 0x%x ring_id %d ring_type %d intr_info 0x%x flags 0x%x\n",
                   cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
                   cmd->msi_data, ring_id, ring_type, cmd->intr_info, cmd->info2);

        ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
        if (ret)
                goto err_free;

        return 0;

err_free:
        dev_kfree_skb_any(skb);

        return ret;
}

#define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)

int ath11k_dp_tx_htt_h2t_ver_req_msg(struct ath11k_base *ab)
{
        struct ath11k_dp *dp = &ab->dp;
        struct sk_buff *skb;
        struct htt_ver_req_cmd *cmd;
        int len = sizeof(*cmd);
        int ret;

        init_completion(&dp->htt_tgt_version_received);

        skb = ath11k_htc_alloc_skb(ab, len);
        if (!skb)
                return -ENOMEM;

        skb_put(skb, len);
        cmd = (struct htt_ver_req_cmd *)skb->data;
        cmd->ver_reg_info = FIELD_PREP(HTT_VER_REQ_INFO_MSG_ID,
                                       HTT_H2T_MSG_TYPE_VERSION_REQ);

        ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
        if (ret) {
                dev_kfree_skb_any(skb);
                return ret;
        }

        ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
                                          HTT_TARGET_VERSION_TIMEOUT_HZ);
        if (ret == 0) {
                ath11k_warn(ab, "htt target version request timed out\n");
                return -ETIMEDOUT;
        }

        if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
                ath11k_err(ab, "unsupported htt major version %d supported version is %d\n",
                           dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
                return -EOPNOTSUPP;
        }

        return 0;
}

int ath11k_dp_tx_htt_h2t_ppdu_stats_req(struct ath11k *ar, u32 mask)
{
        struct ath11k_base *ab = ar->ab;
        struct ath11k_dp *dp = &ab->dp;
        struct sk_buff *skb;
        struct htt_ppdu_stats_cfg_cmd *cmd;
        int len = sizeof(*cmd);
        u8 pdev_mask;
        int ret;
        int i;

        for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {
                skb = ath11k_htc_alloc_skb(ab, len);
                if (!skb)
                        return -ENOMEM;

                skb_put(skb, len);
                cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
                cmd->msg = FIELD_PREP(HTT_PPDU_STATS_CFG_MSG_TYPE,
                                      HTT_H2T_MSG_TYPE_PPDU_STATS_CFG);

                pdev_mask = 1 << (ar->pdev_idx + i);
                cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_PDEV_ID, pdev_mask);
                cmd->msg |= FIELD_PREP(HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK, mask);

                ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
                if (ret) {
                        dev_kfree_skb_any(skb);
                        return ret;
                }
        }

        return 0;
}

int ath11k_dp_tx_htt_rx_filter_setup(struct ath11k_base *ab, u32 ring_id,
                                     int mac_id, enum hal_ring_type ring_type,
                                     int rx_buf_size,
                                     struct htt_rx_ring_tlv_filter *tlv_filter)
{
        struct htt_rx_ring_selection_cfg_cmd *cmd;
        struct hal_srng *srng = &ab->hal.srng_list[ring_id];
        struct hal_srng_params params;
        struct sk_buff *skb;
        int len = sizeof(*cmd);
        enum htt_srng_ring_type htt_ring_type;
        enum htt_srng_ring_id htt_ring_id;
        int ret;

        skb = ath11k_htc_alloc_skb(ab, len);
        if (!skb)
                return -ENOMEM;

        memset(&params, 0, sizeof(params));
        ath11k_hal_srng_get_params(ab, srng, &params);

        ret = ath11k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
                                            ring_type, &htt_ring_type,
                                            &htt_ring_id);
        if (ret)
                goto err_free;

        skb_put(skb, len);
        cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
        cmd->info0 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE,
                                HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG);
        if (htt_ring_type == HTT_SW_TO_HW_RING ||
            htt_ring_type == HTT_HW_TO_SW_RING)
                cmd->info0 |=
                        FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
                                   DP_SW2HW_MACID(mac_id));
        else
                cmd->info0 |=
                        FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID,
                                   mac_id);
        cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID,
                                 htt_ring_id);
        cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS,
                                 !!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP));
        cmd->info0 |= FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS,
                                 !!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP));

        cmd->info1 = FIELD_PREP(HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE,
                                rx_buf_size);
        cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
        cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
        cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
        cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
        cmd->rx_filter_tlv = tlv_filter->rx_filter;

        ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
        if (ret)
                goto err_free;

        return 0;

err_free:
        dev_kfree_skb_any(skb);

        return ret;
}

int
ath11k_dp_tx_htt_h2t_ext_stats_req(struct ath11k *ar, u8 type,
                                   struct htt_ext_stats_cfg_params *cfg_params,
                                   u64 cookie)
{
        struct ath11k_base *ab = ar->ab;
        struct ath11k_dp *dp = &ab->dp;
        struct sk_buff *skb;
        struct htt_ext_stats_cfg_cmd *cmd;
        u32 pdev_id;
        int len = sizeof(*cmd);
        int ret;

        skb = ath11k_htc_alloc_skb(ab, len);
        if (!skb)
                return -ENOMEM;

        skb_put(skb, len);

        cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
        memset(cmd, 0, sizeof(*cmd));
        cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;

        if (ab->hw_params.single_pdev_only)
                pdev_id = ath11k_mac_get_target_pdev_id(ar);
        else
                pdev_id = ar->pdev->pdev_id;

        cmd->hdr.pdev_mask = 1 << pdev_id;

        cmd->hdr.stats_type = type;
        cmd->cfg_param0 = cfg_params->cfg0;
        cmd->cfg_param1 = cfg_params->cfg1;
        cmd->cfg_param2 = cfg_params->cfg2;
        cmd->cfg_param3 = cfg_params->cfg3;
        cmd->cookie_lsb = lower_32_bits(cookie);
        cmd->cookie_msb = upper_32_bits(cookie);

        ret = ath11k_htc_send(&ab->htc, dp->eid, skb);
        if (ret) {
                ath11k_warn(ab, "failed to send htt type stats request: %d",
                            ret);
                dev_kfree_skb_any(skb);
                return ret;
        }

        return 0;
}

int ath11k_dp_tx_htt_monitor_mode_ring_config(struct ath11k *ar, bool reset)
{
        struct ath11k_pdev_dp *dp = &ar->dp;
        struct ath11k_base *ab = ar->ab;
        struct htt_rx_ring_tlv_filter tlv_filter = {};
        int ret = 0, ring_id = 0, i;

        if (ab->hw_params.full_monitor_mode) {
                ret = ath11k_dp_tx_htt_rx_full_mon_setup(ab,
                                                         dp->mac_id, !reset);
                if (ret < 0) {
                        ath11k_err(ab, "failed to setup full monitor %d\n", ret);
                        return ret;
                }
        }

        ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;

        if (!reset) {
                tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
                tlv_filter.pkt_filter_flags0 =
                                        HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
                                        HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
                tlv_filter.pkt_filter_flags1 =
                                        HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
                                        HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
                tlv_filter.pkt_filter_flags2 =
                                        HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
                                        HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
                tlv_filter.pkt_filter_flags3 =
                                        HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
                                        HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
                                        HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
                                        HTT_RX_MON_MO_DATA_FILTER_FLASG3;
        }

        if (ab->hw_params.rxdma1_enable) {
                ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, dp->mac_id,
                                                       HAL_RXDMA_MONITOR_BUF,
                                                       DP_RXDMA_REFILL_RING_SIZE,
                                                       &tlv_filter);
        } else if (!reset) {
                /* set in monitor mode only */
                for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {
                        ring_id = dp->rx_mac_buf_ring[i].ring_id;
                        ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id,
                                                               dp->mac_id + i,
                                                               HAL_RXDMA_BUF,
                                                               1024,
                                                               &tlv_filter);
                }
        }

        if (ret)
                return ret;

        for (i = 0; i < ab->hw_params.num_rxdma_per_pdev; i++) {
                ring_id = dp->rx_mon_status_refill_ring[i].refill_buf_ring.ring_id;
                if (!reset) {
                        tlv_filter.rx_filter =
                                        HTT_RX_MON_FILTER_TLV_FLAGS_MON_STATUS_RING;
                } else {
                        tlv_filter = ath11k_mac_mon_status_filter_default;

                        if (ath11k_debugfs_is_extd_rx_stats_enabled(ar))
                                tlv_filter.rx_filter = ath11k_debugfs_rx_filter(ar);
                }

                ret = ath11k_dp_tx_htt_rx_filter_setup(ab, ring_id,
                                                       dp->mac_id + i,
                                                       HAL_RXDMA_MONITOR_STATUS,
                                                       DP_RXDMA_REFILL_RING_SIZE,
                                                       &tlv_filter);
        }

        if (!ar->ab->hw_params.rxdma1_enable)
                mod_timer(&ar->ab->mon_reap_timer, jiffies +
                          msecs_to_jiffies(ATH11K_MON_TIMER_INTERVAL));

        return ret;
}

int ath11k_dp_tx_htt_rx_full_mon_setup(struct ath11k_base *ab, int mac_id,
                                       bool config)
{
        struct htt_rx_full_monitor_mode_cfg_cmd *cmd;
        struct sk_buff *skb;
        int ret, len = sizeof(*cmd);

        skb = ath11k_htc_alloc_skb(ab, len);
        if (!skb)
                return -ENOMEM;

        skb_put(skb, len);
        cmd = (struct htt_rx_full_monitor_mode_cfg_cmd *)skb->data;
        memset(cmd, 0, sizeof(*cmd));
        cmd->info0 = FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_MSG_TYPE,
                                HTT_H2T_MSG_TYPE_RX_FULL_MONITOR_MODE);

        cmd->info0 |= FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_INFO0_PDEV_ID, mac_id);

        cmd->cfg = HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ENABLE |
                   FIELD_PREP(HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_RELEASE_RING,
                              HTT_RX_MON_RING_SW);
        if (config) {
                cmd->cfg |= HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_ZERO_MPDUS_END |
                            HTT_RX_FULL_MON_MODE_CFG_CMD_CFG_NON_ZERO_MPDUS_END;
        }

        ret = ath11k_htc_send(&ab->htc, ab->dp.eid, skb);
        if (ret)
                goto err_free;

        return 0;

err_free:
        dev_kfree_skb_any(skb);

        return ret;
}